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Transformer Materials / Winding Wire

Paper-Covered Copper Wire

Double-paper covered round copper wire for oil-immersed transformer windings.

Paper-Covered Copper Wire

Paper-covered copper conductor with controlled insulation thickness and concentricity. Supplied in spools or cut lengths with conductor resistance and insulation test data.

Typical specifications

Conductor
1.0 – 5.0 mm
Insulation
Double paper
Thermal class
E / B / F
Standard
IEC 60317

Indicative ranges. Final specification is confirmed per drawing and order.

Standards

  • IEC 60317-27
  • GB/T 6109

Applications

  • Oil-immersed windings
  • Lead connections

Specification check

Send the drawing. We will confirm tolerances before quoting.

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